https://www.radiosvoboda.org/a/29410165.html
On June 19, the Russian Duman adopted a bill making education in 34 of Russia’s 35 official languages—every language except Russian—optional, limiting instruction in ethnic-minority languagesto two hours per week
https://ru.krymr.com/a/russia-criminal-case-extremism/29398592.html
https://www.kommersant.ru/doc/3701082
https://ru.krymr.com/a/russia-native-languages-oleg-panfilov/29397827.html
https://ru.krymr.com/a/crimea-obysk/29392558.html
https://graniru.org/opinion/portnikov/m.271761.html
https://www.gazeta.ru/social/2018/07/25/11869531.shtml
https://ru.krymr.com/a/29384662.html
https://ru.krymr.com/a/29380961.html